快速排序算法
1. 把array =[9,5,12,4,63,1,3,5,6,15,32] 按照从小到大排序
def quicksort(array): if len(array) < 2: return array else: pivot = array[0] less = [i for i in array[1:] if i <= pivot] greater = [i for i in array[1:] if i > pivot] return quicksort(less) + [pivot] + quicksort(greater)